PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-17:13:10
G01     39.0           12.7                7.3 +/-    1.01      19.2 +/-    1.01  0.110 / 0.220
G02     200.1          11.4                6.3 +/-   21.50      17.2 +/-   21.50  0.070 / 0.200
G06     171.9          46.0               16.2 +/-    1.04      21.5 +/-    1.04  0.080 / 0.140
G13     233.5          18.7               14.4 +/-    1.27      32.6 +/-    1.27  0.120 / 0.210
G15     268.8          10.2               11.6 +/-    5.38      32.2 +/-    5.38  0.210 / 0.670
G17     9.6            66.8               12.2 +/-    1.15      13.1 +/-    1.15  0.350 / 0.400
G19     285.9          69.0               13.1 +/-    0.53      13.9 +/-    0.53  0.090 / 0.180
G24     314.2          24.2               11.7 +/-    2.51      23.3 +/-    2.51  0.090 / 0.160
G28     77.9           44.4               12.4 +/-    0.39      16.9 +/-    0.39  0.040 / 0.080
G30     156.0          23.3               14.7 +/-    2.00      29.8 +/-    2.00  0.040 / 0.080